package com.atguigu.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @author xyouzi
 * @date 2022/8/12 10:37
 */
@Configuration
public class GuliFeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate requestTemplate) {
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                // 老请求
                HttpServletRequest request = requestAttributes.getRequest();
                if (request!=null) {
                    // 同步请求头数据
                    String cookie = request.getHeader("Cookie");
                    // 给新请求同步旧的Cookie
                    requestTemplate.header("Cookie",cookie);
                }

            }
        };
    }
}
